It brings to mind everything from aliens to ghosts. Who knows what we’d discover – should this be true – and what it would say for the paranormal?

The possibility of strange forms of alien life seems to have just got a whole lot closer to home. Astrobiologists from Arizona State University, Florida, UC Boulder, NASA, Harvard and Australia have recently theorized about a “shadow biosphere” – a biosphere within a biosphere where alternative biochemistry may be thriving in a way that we haven’t yet thought to examine. Such “weird life” may have had, for hundreds of millions of years, their own ecologies right here in our own backyard.

ALTERNATE “LIFE” STYLES: SCIENTISTS PREDICT THE POSSIBILITY OF A SHADOW BIOSPHERE